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I've been wondering what counts as touching your face for purposes of virus transmission.

In the paper they highlight people whose fingers are under or in their noses but I wonder if something like grazing your cheek or forehead would count. Is there some mechanism the virus would use to migrate from the forehead/cheek into the eyes/nose or is the "don't touch your face" advice really shorthand for "don't pick your nose or rub your eyes"?

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>Is there some mechanism the virus would use to migrate from the forehead/cheek into the eyes/nose

i'm not a doctor/virologist/biologist/whatever, but one could imagine someones' perspiring face may aerosolize whatever was on its' surface due to the evaporative cooling effect.

I don't know whether or not that's practically feasible.

EDIT: Yes. Personally, I would not risk it if it lowers my chance of getting infected. The choice is up to you.

> These pathogens can be picked up by our hands and get into the body through mucous membranes on the face — eyes, nose, and mouth — that act as pathways to the throat and lungs.

https://www.statnews.com/2020/03/09/how-touching-your-face-c...

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